What works on a small scale also works on a large scale. For the last several years, a helicopter-mounted measuring instrument developed by the German Aerospace Center (DLR) has been hard at work detecting methane leaks from natural gas pipelines. From 2014, a space-borne version will be used on a German/French satellite orbiting Earth at an altitude of 650 kilometres. The climate mission Merlin (Methane Remote Sensing Lidar Mission) will track down the greenhouse gas methane around the globe.

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